package edu.sctu.practice.class02.xuejiahua.test22;

/**
 * Created by Administrator on 2015/11/2.
 */
public class interfaceDemo {
    public static void main(String[] args) {
         Bike bike = new Bike();
        bike.stop();
        bike.start();

        Bus bus = new Bus();
        bus.stop();
        bus.start();



    }
}
